Dewey, Willis A. (Willis Alonzo), 1858-1938. Professor of Materia Medica in the University of Michigan Homeopathic Medical College. Member of American Institute of Homeopathy. In addition to his editoral work he authored or collaborated on: Boericke and Dewey's Twelve Tissue Remedies, Essentials of Homeopathic Materia Medica, Essentials of Homeopathic Therapeutics and Practical Homeopathic Therapeutics.